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题名:	Neural correlates of the processing of self-adaptors, emblems, and iconic gestures with speech: an fMRI study
作者:	徐嘉慧 Chui, Kawai Yeh, Kanyu Chang, Ting-Ting
贡献者:	英文系
关键词:	Self-adaptor;emblem;iconic gesture;gesture-speech processing
日期:	2021-04
上传时间:	2021-06-11 09:44:25 (UTC+8)
摘要:	Various types of arm-and-hand movements co-occurring with speech give rise to diverse crossmodal semantic relations. This study investigated how the brain processes self-adaptors, emblems, and iconic gestures with the same speech by using fMRI. Gestures with speech evoked bilateral fusiform gyrus and left supramarginal gyrus in visual and multisensory processing. These regions were involved in processing conventional forms and meanings in emblems with speech. Iconic gestures uniquely activated right supramarginal gyrus associated with spatial processing of unconventional configurations of event knowledge of lexical concepts. Self-adaptors without meaning particularly involved the left superior parietal lobule in directing spatial attention to hand movements and processing spatio-motoric attributes with motor representations. Without gestures, bilateral superior temporal gyrus and calcarine sulcus were engaged in processing sounds and meanings of audiovisual speech. The overall results demonstrate the brain’s sensitivity to gesture-speech semantic variation, and reveal the nature of knowledge in the involved neural regions.
關聯:	Language, Cognition and Neuroscience, 36(4), 401–421
数据类型:	article
DOI 連結:	https://doi.org/10.1080/23273798.2020.1853785
DOI:	10.1080/23273798.2020.1853785
显示于类别:	[英國語文學系] 期刊論文

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